Yaskawa iQpump Micro Manuel d'utilisateur télécharger pdf (Page 183)

Digital Operator Display Minor Fault Name

EF3

Pump fault (input terminal S3)

External fault at multi-function input terminal S3.

EF4

Pump fault (input terminal S4)

External fault at multi-function input terminal S4.

EF5

Pump fault (input terminal S5)

External fault at multi-function input terminal S5.

EF6

Pump fault (input terminal S6)

External fault at multi-function input terminal S6.

EF7

Pump fault (input terminal S7)

External fault at multi-function input terminal S7.

Cause Possible Solutions

An external device has tripped an alarm

function.

Remove the cause of the external fault and reset the multi-function input value.

Wiring is incorrect.

• Ensure the signal lines have been connected properly to the terminals assigned for external fault detection

(H1-oo = 20 to 2F).

• Reconnect the signal line.

Multi-function contact inputs are set

incorrectly.

•

Check if the unused terminals have been set for H1-oo = 20 to 2F (External Fault).

• Change the terminal settings.

Digital Operator Display Minor Fault Name

EoF Emergency Override Forward Run

Cause Possible Solution

The multi-function digital input for

EmergOverrideFWD (H1-oo = AF) has

been closed.

Open H1-oo = AF if the emergency condition is no longer present

Digital Operator Display Minor Fault Name

Eor Emergency Override Reverse Run

Cause Possible Solution

The multi-function digital input for

EmergOverrideREV (H1-oo = B0) has

been closed.

Open H1-oo = B0 if the emergency condition is no longer present

Digital Operator Display Minor Fault Name

SI-T3 Watchdog Timer Error

The watchdog timed out.

Cause Possible Solution

Data has not been received from the PLC

Execute DISCONNECT or ALM_CLR, then issue a CONNECT command or SYNC_SET command and

proceed to phase 3. Refer to the SI-T3 Option Technical Manual for more details on troubleshooting.

Digital Operator Display Minor Fault Name

FAn Internal Cooling Fan Error

Cause Possible Solution

Internal cooling fan has malfunctioned

• Cycle power to the drive.

• Check for fan operation.

• If the problem continues, replace the fan.

Digital Operator Display Minor Fault Name

Hbb

Safe Disable Signal Input

The Safe Disable Input channel is open.

Cause Possible Solutions

There is no signal at terminal H1.

Check if external safety circuit tripped and disabled the drive. If the Safe Disable function is not utilized,

check if the terminals HC, H1, and H2 are linked.

Internally, the Safe Disable channel is

broken.

Replace the drive.

5.3 Alarm Detection

YASKAWA TOEP YAIQPM 03B YASKAWA AC Drive - iQpump Micro User Manual

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Troubleshooting

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Yaskawa iQpump Micro Manuel d'utilisateur Page 183

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